Shroud for a diffusion device



FIG. 1 is an isometric view of a front, top, and left side of an ornamental design for a shroud for a diffusion device;

FIG. 2 is a front elevational view of the shroud of FIG. 1;

FIG. 3 is a rear elevational view of the shroud of FIG. 1;

FIG. 4 is a left side elevational view of the shroud of FIG. 1;

FIG. 5 is a right side elevational view of the shroud of FIG. 1;

FIG. 6 is a top plan view of the shroud of FIG. 1; and,

FIG. 7 is a bottom plan view of the shroud of FIG. 1.

The broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

The ornamental design for a shroud for a diffusion device, as shown and described. 